It looks like you're using Internet Explorer 11 or older. This website works best with modern browsers such as the latest versions of Chrome, Firefox, Safari, and Edge. If you continue with this browser, you may see unexpected results.

# Copy of DIY Maths: Converting percents to decimals

## CONVERTING PERCENTS TO DECIMALS

Writing a as a decimal is very useful for quick percentage calculations. For example 32% of 420 is calculated by 0.32 x 420. On this page you will learn how to answer questions like:

• What is 20% as a decimal?
• What is 125% as a decimal?

This slide show will show how, and why, we can write a percentage as a decimal:

This is a video showing how to convert a percent to a decimal number and back again:

## Did you know?

Changing a percentage to a decimal number is a simple as taking off the percent sign and moving the decimal point two places to the left!  For example, 32.8% = .328, and 29% = .29!

Study and practice

## Write percentage as... calculator

Use this calculator for problems like:

• What is 20% as a decimal? or
• What is 20% as a fraction?